package com.hymjweb.demo;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * 该类必须与启动类放到同一个目录
 * public int add1(UserPojo userPojo){
 *         return SpringAopUtil.getBean(this.getClass()).add(userPojo);
 *     }
 */
@Component
public class SpringAopUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if(SpringAopUtil.applicationContext == null){
            SpringAopUtil.applicationContext = applicationContext;
        }
    }

    public static ApplicationContext getApplicationContext(){
        return applicationContext;
    }

    public static Object getBean(String name){
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }

    public static <T> T getBean(String name, Class<T> clazz){
        return getApplicationContext().getBean(name,clazz);
    }
}
